Lockout/Tagout (LOTO) across the state plans

Lockout/tagout is adopted as federal text "as amended" and Alaska added nothing to it, so the standard and its construction exclusion apply as written. What distinguishes Alaska's approach from most State Plans is that dynamic adoption: where Wyoming, Arizona, Utah and Hawaii pin a named edition or date and exclude later amendments, Alaska takes the federal standard as it stands, subject only to the ranges listed in 8 AAC 61.1010 and the additional state standards that follow it.

Lockout/tagout applies in Arizona as adopted federal text with the July 14, 2020 cut-off, and it carries the federal construction exclusion. The state's boundary rule matters here: because R20-5-602 does not apply to conditions and practices that are the subject of R20-5-601, hazardous energy control on a construction site runs through the adopted Part 1926 provisions, not through 1910.147. It is the same split as under federal jurisdiction, stated in the state rule rather than left to the federal scope paragraph.

Iowa adopts the federal lockout/tagout standard without amendment, so its construction exclusion travels with it. Note where the chapter now lives: general industry safety and health rules moved from 875—Chapter 10 to 481—Chapter 210 on July 9, 2025. The move was editorial rather than substantive, but energy control procedures that cite 875 IAC 10 by number are pointing at a chapter that has been transferred.

Maryland adopts the federal lockout/tagout standard by reference under the hazardous energy sources item of COMAR 09.12.31.01, and it did not rewrite the rule. That means the construction exclusion in 1910.147(a)(1)(ii)(A) applies here as it does federally. Maryland's adoption method is worth understanding on its own: rather than incorporating the CFR as it stands, the chapter lists individual Federal Register notices with the Maryland effective date for each, so the operative text is the sum of the notices actually listed.

“29 C.F.R. §1910.147 "The control of hazardous energy (lockout/tagout)," as amended May 2, 2011.”

Part 85 adopts the federal lockout/tagout standard at its May 2, 2011 text, with Appendix A at February 13, 1996. The substance is the federal one. What Michigan adds is a conflict rule: R 408.18501(2) gives Part 85 and any other general industry standard containing lockout requirements concurrent application, and where they conflict the specific standard prevails. Michigan also describes the covered work as repair, maintenance "and associated activities", which is broader wording than the federal "servicing and maintenance".

Lockout/tagout applies in North Carolina as incorporated federal text, carrying the federal construction exclusion with it. The state's general industry modifications have narrowed to a single live rule, .0103 on hazardous waste operations: the personal protective equipment amendment was repealed in 2008, the toxic and hazardous substances amendment in 2009, and the special industries amendment expired on April 1, 2016. Energy control was never among them, so 1910.147 governs here exactly as written, with the .0101 cut-off deciding which version of it.

Lockout/tagout applies as incorporated federal text, and it is not among New Mexico's listed modifications. The state's incorporation is a live pointer at Part 1910 rather than a dated snapshot, which distinguishes it from the State Plans that name a cut-off date or list individual Federal Register notices. A federal amendment to 1910.147 reaches New Mexico without a further state rulemaking, subject to the omissions listed at 11.5.2.9(B).

Oregon adopts the federal lockout/tagout standard by reference without replacing it, so 1910.147 is the citation an Oregon inspector will use for hazardous-energy control. Note the jurisdictional point that catches contractors out everywhere, Oregon included: 1910.147 excludes construction work, which is covered instead through the construction subdivisions and the general duty clause.

Lockout/tagout is not among South Carolina's seven general industry modifications, so 1910.147 applies as federal text and carries its construction exclusion with it. The structural point worth carrying is that South Carolina states its departures as a closed list at the head of the subarticle: anything not named there is federal language. That makes the list itself the fastest compliance check in this state: read the seven items, and everything else is the standard you already know.

Lockout/tagout applies in Tennessee as adopted federal text, which carries the federal construction exclusion with it. Two features of Tennessee's adoption are worth knowing before an inspection: the chapter states the version adopted rather than pointing at the current CFR, and the exceptions rule at 0800-1-1-.07 lists exactly which federal sections were not taken up (1910.1 to 1910.4, 1910.15 and 1910.16). Anything outside that list is in force as federal language.

Lockout/tagout is federal-identical in Virginia under VR 425-02-71, "Control of Hazardous Energy Sources", effective February 14, 1990 and amended January 15, 2012. That means the federal construction exclusion travels with it: 1910.147 does not reach construction work here any more than it does under federal jurisdiction, and hazardous-energy control on a Virginia jobsite is handled through the adopted 1926 provisions and the general duty clause in § 40.1-51.1 of the Code of Virginia.

Lockout/tagout is adopted federal text in Vermont and carries the federal construction exclusion with it. The practical point for anyone building a program here is where to look: VOSHA's adopted rules are a list of individual documents on the Department of Labor site (steel erection, confined space in construction, silica, beryllium, maritime, recordkeeping) and a subject absent from that list is governed by the federal standard as adopted, with no Vermont variation to find.

“Exemption: This chapter does not apply to: 1. Construction activities covered by chapter 296-155 WAC, Safety standards for construction work.”

Washington's lockout/tagout chapter carries the same construction carve-out as the federal standard, so the jurisdictional trap is identical on both sides of the state line: 296-803 no more applies to a jobsite than 1910.147 does. Control of hazardous energy on Washington construction work runs through WAC 296-155-429, and its own note treats procedures written to 296-803 as compliant provided they address the electrical hazards in Part I and meet that part's training requirements.

“29 C.F.R. §§ 1910.141 - 1910.147 (2016) as it was in effect on June 19, 2018.”

Lockout/tagout arrives through Chapter 10, which carries the whole of Subpart J, sanitation through hazardous energy, at the 2016 edition as in effect June 19, 2018. The federal construction exclusion travels with it, so 1910.147 no more reaches a Wyoming jobsite than a federal one. The chapter's own words are the thing to note: the incorporation does not include any later amendment beyond that date, which makes the date part of the citation rather than a footnote to it.